1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
|
define(_rcsid,``$OpenBSD: bcopy.m4,v 1.5 2000/07/02 01:08:05 mickey Exp $'')dnl
dnl
dnl
dnl This is the source file for bcopy.S, spcopy.S
dnl
dnl
define(`versionmacro',substr(_rcsid,1,eval(len(_rcsid)-2)))dnl
dnl
/* This is a generated file. DO NOT EDIT. */
/*
* Generated from:
*
* versionmacro
*/
/*
* Copyright (c) 1999 Michael Shalayeff
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Michael Shalayeff.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
dnl
dnl macro: L(`arg1',`arg2')
dnl synopsis: creates an assembly label based on args resulting in $arg1.arg2
dnl
define(`L', `$$1.$2')dnl
dnl
dnl
dnl
define(`STWS',`ifelse($5, `u',dnl
`ifelse($1, `1', `vshd $4, t`$1', r31
stbys,B,m r31, F`'4($2, $3)',
`0', `0', `vshd t`'decr($1), t`$1', r31
stws,M r31, F`'4($2, $3)')',dnl
`0', `0',
`ifelse($1, `1',
`stbys,B`'ifelse(B, `b', `,m ', `0', `0', ` ')`'t`$1', F`'4($2, $3)',
`0', `0', `stws,M t`$1', F`'4($2, $3)')')')dnl
define(`STWSS', `ifelse(`$3', `1', `dnl',
`0', `0', `STWSS($1, $2, eval($3 - 1), $4, $5)')
STWS($3, $1, $2, $4, $5)dnl
')dnl
define(`LDWSS', `ifelse(`$3', `1', `dnl',
`0', `0', `LDWSS($1, $2, eval($3 - 1))')
ldws,M F`'4($1, $2), t`'$3`'dnl
')dnl
dnl
dnl copy data in 4-words blocks
dnl
define(`hppa_blcopy',`
addi -16, $6, $6
L($1, `loop16'`$7')
dnl cache hint may not work on some hardware
dnl ldw F 32($2, $3), r0
ifelse(F, `-', `dnl
addi F`'4, $5, $5', `0', `0', `dnl')
LDWSS($2, $3, 4)
STWSS($4, $5, 3, `ret1', $7)
ifelse($7, `u', `dnl
STWS(4, $4, $5, `ret1', $7)', $7, `a', `dnl')
addib,>= -16, $6, L($1, `loop16'`$7')
ifelse($7, `a', `dnl
STWS(4, $4, $5, `ret1', $7)dnl
', $7, `u', `dnl
copy t4, ret1')')dnl
dnl
dnl copy in words
dnl
define(`STWL', `addib,<,n 12, $6, L($1, cleanup)
ifelse($7, `u', ` copy ret1, t1', $7, `a', `dnl')
L($1, word)
ldws,M F`'4($2, $3), t1
addib,>= -4, $6, L($1, word)
stws,M t1, F`'4($4, $5)
L($1, cleanup)
addib,=,n 4, $6, L($1, done)
ldws 0($2, $3), t1
add $5, $6, $5
bv r0(rp)
stbys,E t1, 0($4, $5)
')
dnl
dnl
dnl parameters:
dnl $1 name
dnl $2 source space
dnl $3 source address
dnl $4 destination space
dnl $5 destination address
dnl $6 length
dnl $7 direction
dnl
define(hppa_copy,
`dnl
dnl
dnl if direction is `-' (backwards copy), adjust src, dst
dnl
ifelse($7,`-', `add $3, $6, $3
add $5, $6, $5
define(`F', `-')dnl
define(`R', `')dnl
define(`M', `mb')dnl
define(`B', `e')dnl
define(`E', `b')dnl
',dnl ifelse
`0',`0',
`define(`F', `')dnl
define(`R', `-')dnl
define(`M', `ma')dnl
define(`B', `b')dnl
define(`E', `e')dnl
')dnl ifelse
ifelse($7,`-', `', `0',`0',
` comib,>=,n 15, $6, L($1, byte)
extru $3, 31, 2, t3
extru $5, 31, 2, t4
add $6, t4, $6
comb,<> t3, t4, L($1, unaligned)
dep r0, 31, 2, $3
hppa_blcopy($1, $2, $3, $4, $5, $6, `a')
STWL($1, $2, $3, $4, $5, $6, `a')dnl
L($1, unaligned)
sub,>= t4, t3, t2
ldwm F`'4($2, $3), ret1
zdep t2, 28, 29, t1
mtsar t1
hppa_blcopy($1, $2, $3, $4, $5, $6, `u')
dnl STWL($1, $2, $3, $4, $5, $6, `u')
addib,<,n 12, $6, L($1, cleanup_un)
L($1, word_un)
ldws,M F`'4($2, $3), t1
vshd ret1, t1, t2
addib,< -4, $6, L($1, cleanup1_un)
stws,M t2, F`'4($4, $5)
ldws,M F`'4($2, $3), ret1
vshd t1, ret1, t2
addib,>= -4, $6, L($1, word_un)
stws,M t2, F`'4($4, $5)
L($1, cleanup_un)
addib,<=,n 4, $6, L($1, done)
mfctl sar, t4
add $5, $6, $5
extru t4, 28, 2, t4
sub,<= $6, t4, r0
ldws,M F`'4($2, $3), t1
vshd ret1, t1, t2
bv r0(rp)
stbys,E t2, 0($4, $5)
L($1, cleanup1_un)
b L($1, cleanup_un)
copy t1, ret1
')dnl ifelse
L($1, byte)
comb,>=,n r0, $6, L($1, done)
L($1, byte_loop)
ldbs,M F`'1($2, $3), t1
addib,<> -1, $6, L($1, byte_loop)
stbs,M t1, F`'1($4, $5)
L($1, done)
')dnl
`
#undef _LOCORE
#define _LOCORE
#include <machine/asm.h>
#include <machine/frame.h>
'
ifelse(NAME, `bcopy',
`
#if defined(LIBC_SCCS)
.text
.asciz "versionmacro"
.align 4
#endif
ENTRY(memcpy)
ALTENTRY(memmove)
copy arg0, t1
copy arg1, arg0
copy t1, arg1
ALTENTRY(ovbcopy)
ALTENTRY(bcopy)
ALTENTRY(mycopy)
add arg0, arg2, t1
comb,>,n t1, arg1, L(bcopy, reverse)
hppa_copy(bcopy_f, sr0, arg0, sr0, arg1, arg2, `+')
b,n L(bcopy, ret)
L(bcopy, reverse)
hppa_copy(bcopy_r, sr0, arg0, sr0, arg1, arg2, `-')
L(bcopy, ret)
bv 0(rp)
nop
EXIT(memcpy)
')dnl
dnl
ifelse(NAME, `spcopy',
`
#ifdef _KERNEL
#include <assym.h>
/*
* int spcopy (pa_space_t ssp, const void *src, pa_space_t dsp, void *dst,
* size_t size)
* do a space to space bcopy.
*
* assumed that spaces do not clash, otherwise we loose
*/
.import curproc, data
.import copy_on_fault, code
ENTRY(spcopy)
ldw HPPA_FRAME_ARG(4)(sp), ret1
comb,>=,n r0, ret1, L(spcopy, ret)
`
/* setup fault handler */
ldil L%curproc, r31
ldw R%curproc(r31), r31
ldil L%copy_on_fault, t2
ldw p_addr(r31), r31
ldo R%copy_on_fault(t2), t2
stw t2, pcb_onfault+u_pcb(r31)
'
mfsp sr2, ret0 /* XXX need this?, sr1 is scratchable */
mtsp arg0, sr1
mtsp arg2, sr2
copy ret1, arg0 /* ret1 is used in hppa`'_blcopy() */
hppa_copy(spcopy, sr1, arg1, sr2, arg3, ret1, `+')
/* reset fault handler */
stw r0, pcb_onfault+u_pcb(r31)
mtsp ret0, sr2
L(spcopy, ret)
bv 0(rp)
copy r0, ret0
EXIT(spcopy)
#endif
')dnl
.end
|
